Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 62, NWS State College, PA

June 25, 2013Clearfield County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 25, 2013, 11:51 AM EDT for Clearfield County, Pennsylvania. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 25, 2013, 11:51 AM EDT (15:51 UTC)
Expired
Jun 25, 2013, 12:45 PM EDT
In force
54 min
Issued by
NWS State College, PA
Area
Storm-based polygon

County Clearfield County, PA

The radar

The State College radar (KCCX), 40 km from the middle of the area, began a volume at 15:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.9 hours before the alert went out and 152 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2013-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2013-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
43 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1269 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 9:55 AM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jun 25, 9:55 AM EDT, 1 hour 56 minutes before
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Hazardous weather outlook, Jun 25, 9:37 AM EDT, 2 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
937 AM EDT TUE JUN 25 2013

PAZ012-018-025-033-037-261345-
NORTHERN CLINTON-NORTHERN CENTRE-BLAIR-SOMERSET-TIOGA-
937 AM EDT TUE JUN 25 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
INTO EARLY TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

PAZ004>006-010-011-017-024-261345-
WARREN-MCKEAN-POTTER-ELK-CAMERON-CLEARFIELD-CAMBRIA-
937 AM EDT TUE JUN 25 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON INTO
EARLY TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

PAZ019-026>028-034>036-041-042-045-046-049>053-056>059-063>066-
261345-
SOUTHERN CENTRE-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-
NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-
SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-
LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
937 AM EDT TUE JUN 25 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON INTO
EARLY TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON THURSDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

LAMBERT

In the hours before

Local storm report, Jun 25, 9:58 AM EDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
958 AM EDT TUE JUN 25 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0145 PM     HAIL             4 S MCCONNELLSBURG      39.87N  78.00W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

0150 PM     HAIL             2 ENE BIG COVE TANNERY  39.85N  78.02W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

            HAIL LASTED TEN MINUTES

&&

EVENT NUMBER CTP1300145
EVENT NUMBER CTP1300146

COLBERT
Local storm report, Jun 25, 10:00 AM EDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1000 AM EDT TUE JUN 25 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     HAIL             3 NNW MERCERSBURG       39.87N  77.92W
06/24/2013  E0.70 INCH       FRANKLIN           PA   SHAVE PROJECT

&&

EVENT NUMBER CTP1300147

COLBERT
Local storm report, Jun 25, 10:01 AM EDT, 1 hour 50 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1001 AM EDT TUE JUN 25 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0145 PM     HAIL             5 S MCCONNELLSBURG      39.86N  78.00W
06/24/2013  M0.50 INCH       FULTON             PA   PUBLIC

0145 PM     HAIL             4 S MCCONNELLSBURG      39.87N  78.00W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

0150 PM     HAIL             2 E ELYSBURG            40.87N  76.51W
06/24/2013  M0.70 INCH       NORTHUMBERLAND     PA   PUBLIC

0150 PM     HAIL             2 ENE BIG COVE TANNERY  39.85N  78.02W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

            HAIL LASTED TEN MINUTES

0200 PM     HAIL             3 NNW MERCERSBURG       39.87N  77.92W
06/24/2013  E0.70 INCH       FRANKLIN           PA   SHAVE PROJECT

0207 PM     HAIL             3 SW COVINGTON          41.71N  77.11W
06/24/2013  M0.70 INCH       TIOGA              PA   TRAINED SPOTTER

0308 PM     TSTM WND DMG     HUGHESVILLE             41.24N  76.73W
06/24/2013                   LYCOMING           PA   EMERGENCY MNGR

            MULTIPLE TREES DOWN AND 2 ROOFS DAMAGED IN BOROUGH OF
            HUGHSVILLE.

0310 PM     HAIL             HUGHESVILLE             41.24N  76.73W
06/24/2013  M0.75 INCH       LYCOMING           PA   TRAINED SPOTTER

            TREE LIMBS DOWN

0345 PM     TSTM WND GST     MILLVILLE               41.12N  76.53W
06/24/2013  E60 MPH          COLUMBIA           PA   TRAINED SPOTTER

            SEVERAL TENTS BLOWN DOWN AT CAMP VICTORY

0510 PM     HAIL             2 ENE MANHEIM           40.17N  76.36W
06/24/2013  E1.25 INCH       LANCASTER          PA   911 CALL CENTER

            911 CENTER RECEIVED HAIL REPORT FROM PENN TOWNSHIP

0607 PM     HAIL             2 ENE BIG COVE TANNERY  39.85N  78.01W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

0610 PM     HAIL             2 ENE BIG COVE TANNERY  39.85N  78.02W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

0615 PM     HAIL             2 ENE BIG COVE TANNERY  39.85N  78.02W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

0615 PM     HAIL             2 ENE BIG COVE TANNERY  39.85N  78.02W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

0615 PM     HAIL             4 S MCCONNELLSBURG      39.87N  78.00W
06/24/2013  E1.75 INCH       FULTON             PA   SHAVE PROJECT

&&

EVENT NUMBER CTP1300132 CTP1300145 CTP1300133 CTP1300146 CTP1300147
CTP1300134 CTP1300135 CTP1300144 CTP1300136 CTP1300137 CTP1300138
CTP1300139 CTP1300140 CTP1300141 CTP1300142

COLBERT
Special weather statement, Jun 25, 11:41 AM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1141 AM EDT TUE JUN 25 2013

PAZ017-251645-
CLEARFIELD PA-
1141 AM EDT TUE JUN 25 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CLEARFIELD COUNTY
THROUGH 1245 PM EDT...

AT 1138 AM EDT...A STRONG THUNDERSTORM WAS 7 MILES NORTHEAST OF
BROOKVILLE...MOVING TO THE EAST SOUTHEAST AT 35 MPH.

WIND GUSTS TO 45 MPH FROM THE WEST...NORTHWEST AND PEA SIZE HAIL
ARE POSSIBLE WITH THIS STORM. EXPECT OCCASIONAL...DANGEROUS CLOUD TO
GROUND LIGHTNING FROM THIS STORM. DO NOT STAY IN THE OPEN NOR SEEK
SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A
THUNDERSTORM APPROACHES. THIS STORM WILL AFFECT
DUBOIS...ROCKTON...S.B. ELLIOT STATE PARK...CLEARFIELD...LECONTES
MILLS AND KARTHAUS.

OTHER NOTABLE LOCATIONS IMPACTED WILL BE... TREASURE LAKE AND PENN
STATE DUBOIS.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 97 AND 134.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 119...ROUTE
219...ROUTE 322...STATE ROAD 153...STATE ROAD 255.

LAT...LON 4120 7878 4121 7876 4122 7865 4125 7864
      4117 7808 4111 7811 4108 7810 4096 7815
      4096 7817 4094 7816 4091 7822 4089 7823
      4103 7881 4113 7881

FORECASTER: LAMBERT

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 11:41 AM EDTSpecial Weather StatementCTPClearfield64 min
Jun 25, 12:30 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield60 min
Jun 25, 1:03 PM EDTSpecial Weather StatementCTPClearfield27 min
Jun 25, 1:10 PM EDTSpecial Weather StatementCTPSnyder80 min
Jun 25, 1:35 PM EDTSpecial Weather StatementCTPCentre, Clearfield55 min
Jun 25, 2:22 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon, Northumberland, Perry, Schuylkill53 min
Jun 25, 3:00 PM EDTSpecial Weather StatementCTPJuniata, Perry45 min
Jun 25, 3:19 PM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin, Juniata, Perry56 min
Jun 25, 3:29 PM EDTSpecial Weather StatementCTPClearfield61 min
Jun 25, 3:37 PM EDTSevere Thunderstorm WarningCTPLancaster53 min
Jun 25, 4:03 PM EDTSpecial Weather StatementCTPForest57 min
Jun 25, 4:26 PM EDTSpecial Weather StatementCTPCameron, Elk64 min
Jun 25, 5:03 PM EDTSpecial Weather StatementCTPElk, McKean57 min
Jun 25, 5:25 PM EDTSevere Thunderstorm WarningCTPWarren65 min
Jun 25, 5:59 PM EDTSevere Thunderstorm WarningCTPCameron, Elk, McKean, Warren61 min
Jun 25, 6:29 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield, Elk61 min
Jun 25, 6:56 PM EDTSevere Thunderstorm WarningCTPCameron, Elk34 min
Jun 25, 7:04 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield, Clinton41 min
Jun 25, 7:10 PM EDTSevere Thunderstorm WarningCTPBlair, Cambria, Centre, Clearfield, Huntingdon, Somerset50 min
Jun 25, 7:36 PM EDTSevere Thunderstorm WarningCTPBlair, Centre, Clinton, Huntingdon, Juniata, Mifflin and 2 more54 min
Jun 25, 7:44 PM EDTSevere Thunderstorm WarningCTPBedford, Blair, Cambria, Fulton, Huntingdon, Somerset76 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.